The matter came to light when the minor complained to her mother about severe pain in her abdomen, they said, adding, her medical examination was conducted at Ambala City Civil hospital.
The girl told the police she did not dare to disclose the matter to her parents because the accused had been threatening her of dire consequences if she revealed the matter to anyone.
This is the second such incident reported from Ambala after a Class 6 student a few days ago had alleged that she got pregnant after being repeatedly raped by a married youth.